Yes, a PDF document electronically transmitted can be legally binding if it is signed (or electronically signed) and sent by the signing party.
The only time one runs into trouble with this is if there's a claim that the person identified on the document did not sign or send the document.
When that occurs, there can be a legal problem trying to prove who sent the email, who signed the document, etc.
However, an offer to purchase sent via email is a legitimate offer and if accepted by the seller, the offer is binding.......
The only "out" for the buyer would be if he/she could prove that the document was not sent by him/her or was not signed by him/her.
Thanks for the info.
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